Flavin
n. 黄素\\n[化] 黄素类; 异咯嗪; 五羟黄酮; 栎精
🗣️ 情景例句
This job is back-breaking work.
这份工作强度很大。
The crates are charge to you at $5 each if they are not returned to us within 2 weeks.
如果木条箱两星期内不归还，则每只箱扣罚五美元。
She threw the bottle into the sea.
又将瓶子扔进了大海。